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jmc

number theory intermediate

Problem

What is ? Express your answer in base .
Solution
Adding the first digits, we get , hence after carrying. Adding the next two digits plus one, we get , with carrying. Adding the next two digits plus one, we get , again with carrying. Adding the next two digits plus one, we get , with carrying. Finally, adding to one, we get . Thus our final answer is .
Final answer
22112_6